Total synthesis of acetate from CO2

Ghambeer, R. K.; Wood, Harland G.; Schulman, Marvin; Ljungdahl, Lars G.

doi:10.1016/0003-9861(71)90232-3

Cited by 49 publications

(19 citation statements)

References 28 publications

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“…Cobalt is the center of many metal proteins like Vitamin B12 [16], and the center of hydrogen transfer enzymes like glutamate mutase, methylmalonyl CoA isomerase, dioldehyrase, ethanolamine ammonia lyase, ribonucleotide reductase and many others [17][18][19][20][21][22][23][24][25][26], therefore we got interest in complexation of cobalt with modified diamines adding to our previous work carried out on diamines and their complexation [10,11,27]. These ligands by themselves are very potent in offering poly chelation sites [27].…”

Section: Introductionmentioning

confidence: 99%

Bioassay studies of cobalt (II) complexes of modified diamine

et al. 2011

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Section: Introductionmentioning

confidence: 99%

Bioassay studies of cobalt (II) complexes of modified diamine

et al. 2011

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“…Methanogens were shown to contain corrinoids at levels equal to or greater than those reported in Clostridium thermoaceticum and Acetobacterium woodii ( Tanner et al., 1978). In these homoacetate‐fermenting bacteria corrinoids function as methyl carriers during acetate synthesis via reductive carboxylation ( Ghambeer et al., 1971). Methanosarcina barkeri contain more corrinoids than do the other methanogens examined, but the exact level depends on the specific carbon and energy sources during growth ( Krzycki and Zeikus , 1980).…”

Section: Introductionmentioning

confidence: 99%

Inhibition of ruminal microbial methane production by β‐cyclodextrin iodopropane, malate and their combination in vitro

Mohammed¹,

Lila

Ajisaka³

et al. 2004

Animal Physiology Nutrition

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The objective of this study was to evaluate the effects of different concentrations of l-malate (0, 5, 10 and 20 mm), 2-iodopropane-beta-cyclodextrin complex (CD-IP) (0, 0.1, 0.2 and 0.4 mm) and a combination of malate (10 and 20 mm) plus CD-IP (0.2 and 0.4 mm) on methane production from corn starch. Ruminal fluid was collected from dairy cows, mixed with phosphate buffer (1 : 2) and incubated (30 ml) anaerobically at 38 degrees C for 6 h with or without additives. Fermentation of corn starch in the presence of malate resulted in an increase (p < 0.05) in pH of the medium, total volatile fatty acid (VFA), total gas production and molar proportion of propionate. Acetate and ammonia-N concentration were unchanged. Methane production was decreased (p < 0.05) (15.5 to 20.4%). Addition of CD-IP in corn starch resulted in an increase (p < 0.05) in total VFA and molar proportion of propionate. Acetate, pH and ammonia-N concentration of the medium were decreased (p < 0.05). Total gas production was unchanged. Methane production was decreased (p < 0.05) (25.2 to 97.1%) and hydrogen production was increased (p < 0.05). Addition of l-malate to CD-IP resulted in an increase (p < 0.05) in total VFA, total gas production and molar proportion of propionate. Acetate and ammonia-N concentration were decreased (p < 0.05). No effects were observed on medium pH. Methane production was decreased (p < 0.05) (49.5 to 97.1%). Hydrogen production was also decreased (p < 0.05) (54.5 to 64.1%) compared with those of CD-IP alone. Therefore, these additives may be used as supplements to inhibit methane production as well as to improve rumen fermentation and animal performance.

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“…In the present work EDDA was complexed with Ni(II), Cu(II) and Zn(II) metal ions keeping in view the importance of these metals in biological system [10][11][12][13][14][15][16][17][18][19][20][21][22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%

“…Transition metals being the centre of many metal proteins like vitamin B 12 [16], hydrogen transfer enzymes like glutamate mutase, methylmalonyl CoA isomerase, dioldehyrase, ethanolamine ammonia lyase, ribonucleotide reductase and many others [17][18][19][20][21][22][23][24][25][26], therefore we got interest in complexation of transition metals with modified diammine adding to our previous work carried out on diammines and their complexation [10,11,30]. These ligands by themselves are very potent offering poly chelating sites [29,30].…”

Section: Introductionmentioning

confidence: 99%

<b>Bioassay studies of metal(II) complexes of 2,2'-(ethane-1,2-diyldiimino)diacetic acid</b>

Ikram

Rehman

Nawaz

2011

Bull. Chem. Soc. Eth.

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ABSTRACT ABSTRACT. Ni(II), Cu(II) and Zn(II) coordination compounds with modified diammine 2,2'-(ethane-1,2-diyldiimino)diacetic acid (EDDA) were prepared and characterized. Coordination complexes of the EDDA were characterized by physical measurements including elemental analysis, IR, UV-Visible, magnetic susceptibilities and conductance measurements. The complexes were screened against four pathogenic bacteria like Escherichia coli, Pseudomonas aeruginosa, Klebsiella pneumoniae and Staphylococcus aureus and their concentrations for maximum inhibition zones were obtained. KEY WORDS KEY WORDS KEY WORDS

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Total synthesis of acetate from CO2

Cited by 49 publications

References 28 publications

Bioassay studies of cobalt (II) complexes of modified diamine

Bioassay studies of cobalt (II) complexes of modified diamine

Inhibition of ruminal microbial methane production by β‐cyclodextrin iodopropane, malate and their combination in vitro

<b>Bioassay studies of metal(II) complexes of 2,2'-(ethane-1,2-diyldiimino)diacetic acid</b>

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